US4622933A - Lubricant feed system for use in the journal of a crankshaft - Google Patents

Lubricant feed system for use in the journal of a crankshaft Download PDF

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Publication number
US4622933A
US4622933A US06/808,842 US80884285A US4622933A US 4622933 A US4622933 A US 4622933A US 80884285 A US80884285 A US 80884285A US 4622933 A US4622933 A US 4622933A
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US
United States
Prior art keywords
bearings
supporting portions
bearing supporting
oil
bearing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US06/808,842
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English (en)
Inventor
Koichi Fukuo
Hiroki Yamamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
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Honda Motor Co Ltd
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Filing date
Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Assigned to HONDA GIKEN KOGYO KABUSHIKI KAISHA, 1-1, MINAMI-AOYAMA 2-CHOME, MINATO-KU, TOKYO, JAPAN, A CORP OF JAPAN reassignment HONDA GIKEN KOGYO KABUSHIKI KAISHA, 1-1, MINAMI-AOYAMA 2-CHOME, MINATO-KU, TOKYO, JAPAN, A CORP OF JAPAN ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: FUKUO, KOICHI, YAMAMOTO, HIROKI
Application granted granted Critical
Publication of US4622933A publication Critical patent/US4622933A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
    • F16C3/06—Crankshafts
    • F16C3/14—Features relating to lubrication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/06—Lubricating systems characterised by the provision therein of crankshafts or connecting rods with lubricant passageways, e.g. bores
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases
    • F02F7/0002—Cylinder arrangements
    • F02F7/0012—Crankcases of V-engines

Definitions

  • the present invention relates to a lubricant feed system in the journal of a crankshaft for an internal combustion engine.
  • the journal of a crankshaft is generally supported by bearing supporting portions respectively formed in a cylinder block and caps.
  • Such bearings in the form of half shells, are arranged on the bearing supporting portions of the cylinder block and the caps. With this arrangement, lubricant in an oil main gallery is fed to the bearings via given passages.
  • Japanese patent publication No. 58-27124 discloses a system for feeding lubricant to such a journal.
  • oil grooves are formed at bearing supporting portions in a cylinder block and annular grooves are formed at the inner peripheral surfaces of the bearings.
  • the oil grooves are communicated with the annular grooves via apertures formed at the bearings.
  • an oil main gallery is provided in the cylinder block and the lubricant is fed to the oil grooves of the bearing supporting portions in the cylinder block and the bearings arranged thereon.
  • the inner peripheral surfaces of the bearings are made flat to ensure sufficient bearing area between the bearings in the caps and the journal to prevent seizing thereof.
  • a lubricant feed system for use in a journal of a crankshaft comprises first bearing supporting portions formed in a cylinder block, each having a peripheral surface, second bearing supporting portions formed in caps, each having a peripheral surface, first bearings in the form of half shells arranged on the peripheral surfaces of the first bearing supporting portions, second bearings in the form of half shells arranged on the peripheral surfaces of the second bearing supporting portions and an oil main gallery.
  • annular grooves are formed on the peripheral surfaces of the first and second bearing supporting portions and oil grooves are circumferentially formed at the inner peripheral surfaces of the first bearings. Apertures are formed at the first bearings to communicate the annular grooves with the oil grooves.
  • the inner peripheral surfaces of the second bearings are made flat.
  • a bridge is mounted on the undersides of the bearing caps and the oil main gallery is provided in the bridge. The oil main gallery is communicated with the annular grooves in the second bearing supporting portions.
  • FIG. 1 is a sectional front view of a lubricant feed system according to a first embodiment of the present invention
  • FIG. 2 is a sectional side view, on an enlarged scale, of bearings in the lubricant feed system shown in FIG. 1;
  • FIG. 3 is a sectional front view of a journal
  • FIG. 4 is a sectional side view of the lubricant feed system shown in FIG. 1;
  • FIG. 5 is a sectional front view of a lubricant feed system according to a second embodiment of the invention.
  • reference numeral 1 represents a cylinder block, said cylinder block having first bearing supporting portions 2 in the form of recesses.
  • Each of the first bearing supporting portions 2 has a peripheral surface 3 and an opening 4 as shown in FIG. 2.
  • Formed circumferentially at the peripheral surface 3 of each of the first bearing supporting portions 2 is an oil groove 5 which is, in turn, in communication with a passage 6 through which lubricant is fed to a cylinder head (not shown.)
  • Reference numeral 10 represents first bearings in the form of half shells arranged on the peripheral surfaces 3 of the first bearing supporting portions 2. Formed circumferentially at the inner peripheral surface of each first bearing 10 is an oil groove 11. An aperture 12 is formed at the top of the first bearing 10 to communicate the oil groove 5 with the oil groove 11. It is to be noted that the apertures 12 are circumferentially offset from the opening 4 of the corresponding first bearing supporting portion 2.
  • Reference numeral 20 represents bearing caps 20, each bearing cap 20 having a second bearing supporting portion 21.
  • the second bearing supporting portions 21 are fixedly mounted on the underside of the cylinder block 1 by bolts 22, 22.
  • Each of the second bearing supporting portions 21 has a peripheral surface 23, and has an opening 24 at its bottom as shown in FIG. 2.
  • Formed circumferentially at the peripheral surface 23 of each of the second bearing supporting portions 21 is an oil groove 25, which in cooperation with the corresponding oil groove 5 of each of the first bearing supporting recesses 2 forms an annular groove 26.
  • Reference numeral 30 represents second bearings in the form of half shells arranged on the peripheral surfaces 23 of the second bearing supporting portions 21.
  • the second bearings 30 and the first bearings 10 together support a journal 41 of a crankshaft 40.
  • the inner and outer peripheral surfaces of the second bearings 30 are made flat in an effort to ensure sufficient bearing area between the second bearings 30 and the journal 41 of the crankshaft 40.
  • Reference numeral 31 represents an inclined surface formed at the upper end of the inner peripheral surface of each of the second bearings 30 corresponding to the oil groove 11 of each of the first bearings 10.
  • Reference numeral 50 represents a bridge, said bridge 50 including a body 51 extending longitudinally of the crankshaft 40 and bosses 52 extending toward the corresponding bearing caps 20.
  • the bridge 50 and the bearing caps 20 are bolted to the cylinder block 10 by bolts 53, 53 of sufficient length.
  • an oil main gallery 54 extends longitudinally within the body 51 of the bridge 50.
  • the oil main gallery 54 is in communication with the oil groove 25 via passages 55 formed in the bridge 50 and passages 27 formed in the bearing caps 20.
  • diametrically extending passages 42 are formed in the journal 41 of the crankshaft 40, one end of each passage 42 is directed to the oil groove 11 of the first recess 2. Also, diametrically extending passages 44 are formed in pins 43 of the crankshaft 40. The passages 44 are communicated with the corresponding passage 42 by means of communicating passages 45 extending longitudinally of the crankshaft 40.
  • reference numeral 46 represents balls adapted to close one end of each of the communicating passages 45.
  • FIG. 5 illustrates a lubricant feed system according to a second embodiment of the invention.
  • the bridge 50 is integrated in the bearing caps 20.
  • the oil main gallery 54 is formed in the bearing caps 20.
  • the lubricant in the oil main gallery 54 is first introduced into the annular grooves 26 via the passages 27 and 55. Part of the lubricant is fed through the openings 4 and the passages 6 to the cylinder head while the other part of the lubricant is fed to the oil grooves 11 via the apertures 12. The lubricant fed to the oil grooves 11 is then fed to the inner peripheral surfaces of the first bearings 10 and the second bearings 30 via the passages 42. Further, the lubricant is fed to the inner peripheral surfaces of the pins 43 of the crankshaft 40 via the passages 44 and communicating passages 45.
  • the lubricant may still properly be fed to the inner peripheral surfaces of the first and second bearings, and the pins 43 of the crankshaft 40 via the annular grooves 26, apertures 12 and passages 42.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
US06/808,842 1984-12-14 1985-12-13 Lubricant feed system for use in the journal of a crankshaft Expired - Lifetime US4622933A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59-265018 1984-12-14
JP59265018A JPS61142311A (ja) 1984-12-14 1984-12-14 クランク軸ジヤ−ナル部の潤滑油供給装置

Publications (1)

Publication Number Publication Date
US4622933A true US4622933A (en) 1986-11-18

Family

ID=17411434

Family Applications (1)

Application Number Title Priority Date Filing Date
US06/808,842 Expired - Lifetime US4622933A (en) 1984-12-14 1985-12-13 Lubricant feed system for use in the journal of a crankshaft

Country Status (4)

Country Link
US (1) US4622933A (enrdf_load_stackoverflow)
JP (1) JPS61142311A (enrdf_load_stackoverflow)
DE (1) DE3544199A1 (enrdf_load_stackoverflow)
GB (1) GB2172344B (enrdf_load_stackoverflow)

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4753201A (en) * 1984-12-06 1988-06-28 Honda Giken Kogyo Kabushiki Kaisha Crankshaft supporting structure for multicylinder internal combustion engines
US4793301A (en) * 1986-12-25 1988-12-27 Fuji Jukogyo Kabushiki Kaisha Lubricating system for an internal combustion engine
US4969430A (en) * 1989-02-01 1990-11-13 Yamaha Hatsudoki Kabushiki Kaisha Lubrication system for two stroke engine
WO1991015658A1 (en) * 1990-04-06 1991-10-17 Gewald, Harold, W. Radial internal combustion engine
US5138991A (en) * 1991-12-23 1992-08-18 Ford Motor Company Crankshaft for internal combustion engine
US5163341A (en) * 1991-10-08 1992-11-17 General Motors Corporation Crankshaft with lubrication passages
US6171207B1 (en) * 1997-12-22 2001-01-09 Luk Getriebe-Systeme Gmbh Transmission having pressure-operated adjusting means
US6202620B1 (en) * 1998-09-04 2001-03-20 Nissan Motor Co., Ltd. Lubricating structure for internal combustion engine
US20030154949A1 (en) * 2001-12-28 2003-08-21 Atsushi Niimi Oil receiver
US6684846B1 (en) 2002-07-18 2004-02-03 Kohler Co. Crankshaft oil circuit
US6732701B2 (en) 2002-07-01 2004-05-11 Kohler Co. Oil circuit for twin cam internal combustion engine
US6739304B2 (en) 2002-06-28 2004-05-25 Kohler Co. Cross-flow cylinder head
US6742488B2 (en) 2002-07-18 2004-06-01 Kohler Co. Component for governing air flow in and around cylinder head port
US6752846B2 (en) 2002-07-18 2004-06-22 Kohler Co. Panel type air filter element with integral baffle
US20040123830A1 (en) * 2002-07-01 2004-07-01 Bonde Kevin G. Oil circuit for twin cam internal combustion engine
US6837206B2 (en) 2002-07-11 2005-01-04 Kohler Co. Crankcase cover with oil passages
US6837207B2 (en) 2002-07-18 2005-01-04 Kohler Co. Inverted crankcase with attachments for an internal combustion engine
US6874458B2 (en) 2001-12-28 2005-04-05 Kohler Co. Balance system for single cylinder engine
US20050238269A1 (en) * 2004-04-26 2005-10-27 Honda Motor Co., Ltd. Bearing structure
US6978751B2 (en) 2002-07-18 2005-12-27 Kohler Co. Cam follower arm for an internal combustion engine
US7198020B1 (en) 2006-03-13 2007-04-03 Steven G Beddick Lubrication systems and methods for an internal combustion engine
US20070181371A1 (en) * 2004-05-14 2007-08-09 Virr Geoffrey P Bearing
US20080190699A1 (en) * 2007-02-13 2008-08-14 Nobuyuki Ohta Crankshaft lubrication system
CN100430615C (zh) * 2002-02-06 2008-11-05 本田技研工业株式会社 轴承装置
EP1865159A3 (en) * 2006-06-07 2010-08-18 Ford Global Technologies, LLC A shaft mounting device for an engine
CN102493854A (zh) * 2011-12-09 2012-06-13 重庆潍柴发动机厂 连杆瓦上油槽的设计方法
US20130087116A1 (en) * 2011-10-11 2013-04-11 Suzuki Motor Corporation Oil passage structure of engine
US20140318310A1 (en) * 2009-03-26 2014-10-30 Honda Motor Co., Ltd. Crankshaft and method for producing the same
US20180030864A1 (en) * 2015-08-14 2018-02-01 Bayerische Motoren Werke Aktiengesellschaft Crankshaft Having an Oil Groove
CN108223185A (zh) * 2017-12-29 2018-06-29 上海齐耀动力技术有限公司 热气机用曲轴箱以及热气机
US11578647B2 (en) 2020-03-11 2023-02-14 Arctic Cat Inc. Engine

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61247808A (ja) * 1985-04-25 1986-11-05 Yamaha Motor Co Ltd エンジンにおけるクランク軸の軸受潤滑構造
JPS6342842U (enrdf_load_stackoverflow) * 1986-09-05 1988-03-22
JPH0614005Y2 (ja) * 1987-03-12 1994-04-13 トヨタ自動車株式会社 エンジンの潤滑装置
FR2727727A1 (fr) * 1994-12-02 1996-06-07 Renault Paliers de vilebrequin pour moteur a combustion interne
AT4391U1 (de) * 2000-07-20 2001-06-25 Avl List Gmbh Kurbelwelle für eine hubkolbenmaschine
GB2374125B (en) * 2001-01-19 2004-06-30 Arctic Circle Ltd A compressor which is for refrigeration or air conditioning apparatus and which has an oil feed lubrication arrangement for a crankshaft
JP2009097350A (ja) * 2007-10-12 2009-05-07 Yanmar Co Ltd エンジン

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2199699A (en) * 1937-03-11 1940-05-07 Ingersoll Rand Co Oiling device
US3069926A (en) * 1959-11-30 1962-12-25 Gen Motors Corp Connecting rod and crankshaft connection for internal combustion engine
US4345796A (en) * 1979-08-17 1982-08-24 Wabco Fahrzeugbremsen Gmbh Anti-skid brake control system for controlling the two pairs of diagonally opposed wheels of a motor vehicle

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE664788C (de) * 1934-06-30 1938-09-06 Maschf Augsburg Nuernberg Ag Schmiervorrichtung fuer Kurbel- und Pleuelstangenlager von Brennkraftmaschinen
GB493660A (en) * 1937-08-03 1938-10-12 Frank John Tippen Improvements in and relating to lubrication systems for internal combustion engines
JPS5223653Y2 (enrdf_load_stackoverflow) * 1971-03-26 1977-05-30
JPS5627370Y2 (enrdf_load_stackoverflow) * 1977-03-19 1981-06-30
US4235481A (en) * 1977-11-16 1980-11-25 Taiho Kogyo Co., Ltd. Bearing device for internal combustion engine
JPS5827124Y2 (ja) * 1978-07-14 1983-06-13 三菱自動車工業株式会社 クランクシヤフト軸受装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2199699A (en) * 1937-03-11 1940-05-07 Ingersoll Rand Co Oiling device
US3069926A (en) * 1959-11-30 1962-12-25 Gen Motors Corp Connecting rod and crankshaft connection for internal combustion engine
US4345796A (en) * 1979-08-17 1982-08-24 Wabco Fahrzeugbremsen Gmbh Anti-skid brake control system for controlling the two pairs of diagonally opposed wheels of a motor vehicle

Cited By (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4753201A (en) * 1984-12-06 1988-06-28 Honda Giken Kogyo Kabushiki Kaisha Crankshaft supporting structure for multicylinder internal combustion engines
AU598450B2 (en) * 1984-12-06 1990-06-28 Honda Giken Kogyo Kabushiki Kaisha Crankshaft supporting structure for multicylinder internal combustion engine
US4793301A (en) * 1986-12-25 1988-12-27 Fuji Jukogyo Kabushiki Kaisha Lubricating system for an internal combustion engine
US4969430A (en) * 1989-02-01 1990-11-13 Yamaha Hatsudoki Kabushiki Kaisha Lubrication system for two stroke engine
WO1991015658A1 (en) * 1990-04-06 1991-10-17 Gewald, Harold, W. Radial internal combustion engine
US5150670A (en) * 1990-04-06 1992-09-29 Harold W. Gewald Radial internal combustion engine
US5163341A (en) * 1991-10-08 1992-11-17 General Motors Corporation Crankshaft with lubrication passages
US5138991A (en) * 1991-12-23 1992-08-18 Ford Motor Company Crankshaft for internal combustion engine
US6171207B1 (en) * 1997-12-22 2001-01-09 Luk Getriebe-Systeme Gmbh Transmission having pressure-operated adjusting means
US6202620B1 (en) * 1998-09-04 2001-03-20 Nissan Motor Co., Ltd. Lubricating structure for internal combustion engine
US6880514B2 (en) * 2001-12-28 2005-04-19 Honda Giken Kogyo Kabushiki Kaisha Oil receiver
US6874458B2 (en) 2001-12-28 2005-04-05 Kohler Co. Balance system for single cylinder engine
US20030154949A1 (en) * 2001-12-28 2003-08-21 Atsushi Niimi Oil receiver
CN100430615C (zh) * 2002-02-06 2008-11-05 本田技研工业株式会社 轴承装置
US6739304B2 (en) 2002-06-28 2004-05-25 Kohler Co. Cross-flow cylinder head
US6732701B2 (en) 2002-07-01 2004-05-11 Kohler Co. Oil circuit for twin cam internal combustion engine
US6935293B2 (en) * 2002-07-01 2005-08-30 Kohler Co. Oil circuit for twin cam internal combustion engine
US20040123830A1 (en) * 2002-07-01 2004-07-01 Bonde Kevin G. Oil circuit for twin cam internal combustion engine
US6837206B2 (en) 2002-07-11 2005-01-04 Kohler Co. Crankcase cover with oil passages
US6837207B2 (en) 2002-07-18 2005-01-04 Kohler Co. Inverted crankcase with attachments for an internal combustion engine
US6752846B2 (en) 2002-07-18 2004-06-22 Kohler Co. Panel type air filter element with integral baffle
US6742488B2 (en) 2002-07-18 2004-06-01 Kohler Co. Component for governing air flow in and around cylinder head port
US6978751B2 (en) 2002-07-18 2005-12-27 Kohler Co. Cam follower arm for an internal combustion engine
US6684846B1 (en) 2002-07-18 2004-02-03 Kohler Co. Crankshaft oil circuit
CN100532794C (zh) * 2003-08-20 2009-08-26 科勒公司 双凸轮内燃机油路
US20050238269A1 (en) * 2004-04-26 2005-10-27 Honda Motor Co., Ltd. Bearing structure
US20070181371A1 (en) * 2004-05-14 2007-08-09 Virr Geoffrey P Bearing
US7198020B1 (en) 2006-03-13 2007-04-03 Steven G Beddick Lubrication systems and methods for an internal combustion engine
EP1865159A3 (en) * 2006-06-07 2010-08-18 Ford Global Technologies, LLC A shaft mounting device for an engine
US20080190699A1 (en) * 2007-02-13 2008-08-14 Nobuyuki Ohta Crankshaft lubrication system
US7954600B2 (en) * 2007-02-13 2011-06-07 Honda Motor Co., Ltd. Crankshaft lubrication system
US9610633B2 (en) * 2009-03-26 2017-04-04 Honda Motor Co., Ltd. Crankshaft and method for producing the same
US20140318310A1 (en) * 2009-03-26 2014-10-30 Honda Motor Co., Ltd. Crankshaft and method for producing the same
US8667947B2 (en) * 2011-10-11 2014-03-11 Suzuki Motor Corporation Oil passage structure of engine
US20130087116A1 (en) * 2011-10-11 2013-04-11 Suzuki Motor Corporation Oil passage structure of engine
CN102493854A (zh) * 2011-12-09 2012-06-13 重庆潍柴发动机厂 连杆瓦上油槽的设计方法
US20180030864A1 (en) * 2015-08-14 2018-02-01 Bayerische Motoren Werke Aktiengesellschaft Crankshaft Having an Oil Groove
CN108223185A (zh) * 2017-12-29 2018-06-29 上海齐耀动力技术有限公司 热气机用曲轴箱以及热气机
CN108223185B (zh) * 2017-12-29 2021-11-05 上海齐耀动力技术有限公司 热气机用曲轴箱以及热气机
US11578647B2 (en) 2020-03-11 2023-02-14 Arctic Cat Inc. Engine

Also Published As

Publication number Publication date
GB2172344A (en) 1986-09-17
GB8530638D0 (en) 1986-01-22
GB2172344B (en) 1988-09-14
JPS61142311A (ja) 1986-06-30
DE3544199A1 (de) 1986-06-26
JPS649443B2 (enrdf_load_stackoverflow) 1989-02-17

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